package com.buercorp.wangyu.buerhashmap;

import java.util.HashMap;

public class HashMapOrigin {
    public static void main(String[] args) {
        HashMap<Object, Object> map = new HashMap<>();
        map.put("2134","hashmap");
        System.out.println(map.get("2134"));
        System.out.println(map);
    }
}
